1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/reporting/disconnect.html b/testing/web-platform/tests/reporting/disconnect.html
new file mode 100644
index 0000000000..12d33db8ff
--- /dev/null
+++ b/testing/web-platform/tests/reporting/disconnect.html
@@ -0,0 +1,26 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Reporting: Disconnect</title>
+<link rel="author" title="Paul Meyer" href="paulmeyer@chromium.org">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script>
+promise_test(async test => {
+    let observer;
+    const reportsPromise = new Promise(resolve => {
+      observer = new ReportingObserver(resolve);
+      observer.observe();
+    });
+
+    // The observer should still receive this report even though disconnect()
+    // is called immediately afterwards.
+    await test_driver.generate_test_report("Test message.")
+        .then(() => { observer.disconnect(); });
+
+    const reports = await reportsPromise;
+    assert_equals(reports.length, 1);
+    assert_equals(reports[0].body.message, "Test message.");
+  }, "Disconnect");
+</script>